Net Loss Per Share - Basic and Diluted (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Numerator:
Net loss	$ (15,094)	$ (11,139)	$ (42,494)	$ (29,799)
Net loss attributable to common stockholders for basic per share	(15,094)	(11,139)	(42,494)	(29,799)
Net loss attributable to common stockholders for diluted per share	$ (15,094)	$ (11,139)	$ (42,494)	$ (29,799)
Denominator:
Weighted average number of common shares outstanding - Basic	113,239,092	78,218,774	113,239,092	76,631,172
Weighted average number of common shares outstanding - Diluted	113,239,092	78,218,774	113,239,092	76,631,172
Net loss per share attributable to common stockholders - Basic	$ (0.13)	$ (0.14)	$ (0.38)	$ (0.39)
Net loss per share attributable to common stockholders - Diluted	$ (0.13)	$ (0.14)	$ (0.38)	$ (0.39)
Exercise of the pre-funded warrants	14,217,716	24,930,483	14,217,716	24,930,483